9177503

Display Having Integrated Thermal Sensors

PublishedNovember 3, 2015
Assigneenot available in USPTO data we have
Technical Abstract

Patent Claims
26 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A display, comprising: a plurality of organic light emitting diodes (OLEDs) disposed across the display, wherein each OLED of the plurality of OLED emits light in response to control signals; a plurality of thermal sensors disposed across the display, the plurality of thermal sensors being configured to measure a plurality of temperatures across the display and generate signals relating to the measured plurality of temperatures; and a controller configured to move a location of an image on the display from a first location to a second location based at least in part on the signals relating to the measured plurality of temperatures, and a first average temperature of the first location is greater than a second average temperature of the second location due substantially to heat from electronic components proximate the display.

2

2. The display of claim 1 , wherein the plurality of OLEDs and the plurality of thermal sensors are disposed on a common layer of the display.

3

3. The display of claim 1 , wherein the plurality of OLEDs is disposed on a layer of the display and the plurality of thermal sensors is disposed on a different layer of the display.

4

4. The display of claim 1 , wherein each OLED of the plurality of OLEDs is disposed across the display with a respective thermal sensor of the plurality of thermal sensors in a substantially 1:1 ratio, and the controller is configured to determine the control signals for each OLED based at least in part on the signals relating to the measured temperature of the plurality of measured temperatures from the respective thermal sensor.

5

5. The display of claim 1 , wherein the controller is configured to determine the control signals for the plurality of OLEDs based at least in part on an age of the OLEDs.

6

6. The display of claim 1 , wherein the controller is configured to adjust a brightness or a color of the plurality of OLEDs in a portion of the display based at least in part on a difference between the measured temperature of the portion of the display and the measured temperature of a remainder of the display.

7

7. The display of claim 1 , wherein the controller is configured to determine the control signals for the plurality of OLEDs based at least in part on a running average operating temperature of the OLEDs, a maximum operating temperature, a minimum operating temperature, or any combination thereof.

8

8. The display of claim 1 , wherein the controller is configured to store the plurality of measured temperatures in a memory and determine the control signals for the plurality of OLEDs based at least in part on the measured temperatures stored in memory.

9

9. The display of claim 1 , wherein the controller is configured to determine the control signals for each OLED to compensate for shifts in a color, or a brightness, or a combination thereof.

10

10. An electronic device, comprising: a housing; data processing circuitry disposed within the housing, wherein the data processing circuitry comprises a central processing unit, a graphical processing unit, a radio frequency transmitter, or any combination thereof; and a display comprising a display screen and a controller, the display screen being coupled to the housing, the display screen comprising: a plurality of organic light emitting diodes (OLEDs) disposed across the display screen; and a plurality of thermal sensors disposed across the display, configured to measure a plurality of temperatures across the display and generate signals relating to the measured plurality of temperatures; and a controller configured to receive image data from the data processing circuitry and to determine control signals for the plurality of OLEDs based at least in part on the signals relating to the measured plurality of temperatures, and the controller is configured to create a temperature map based at least in part on the plurality of measured temperatures, to determine the control signals for the plurality of OLEDs based at least in part on the temperature map, and the controller is configured to move an image from a first portion of the display to a second portion of the display based at least in part on the temperature map, wherein a first average temperature of the first portion of the display is greater than a second average temperature of the second portion of the display, and the first average temperature of the first portion is greater than the second average temperature due primarily to heat generated by the data processing circuitry.

11

11. The electronic device of claim 10 , wherein the display is disposed over the central processing unit, the graphical processing unit, or the radio frequency transmitter, or any combination thereof, and the controller is configured to adjust the data processing circuitry to reduce heat generated by the data processing circuitry disposed beneath the display.

12

12. The electronic device of claim 10 , wherein the plurality of OLEDs and the plurality of thermal sensors are disposed on a common layer of the display screen.

13

13. The electronic device of claim 10 , wherein each OLED of the plurality of OLEDs is disposed across the display with a respective thermal sensor of the plurality of thermal sensors in a substantially 1:1 ratio, and the controller is configured to determine the control signals for each OLED based at least in part on the signals relating to the respective measured temperature of the plurality of measured temperatures from the respective thermal sensor.

14

14. The electronic device of claim 10 , wherein the display screen comprises a plurality of zones, wherein each zone of the plurality of zones comprises at least two OLEDs of the plurality of OLEDs and at least one thermal sensor of the plurality of thermal sensors, and the controller is configured to determine the control signals for the at least two OLEDs of each zone based at least in part on the signals relating to the measured temperature from the at least one thermal sensor of that zone.

15

15. The display of claim 10 , wherein the controller is configured to adjust the data processing circuitry based at least in part on the signals relating to the measured plurality of temperatures.

16

16. The display of claim 10 , wherein the controller is configured to store the plurality of measured temperatures in a memory and create the temperature map based at least in part on the stored plurality of temperatures.

17

17. The electronic device of claim 16 , wherein the controller is configured to determine the control signals for the plurality of OLEDs based at least in part on a running average of measured temperatures stored in the memory.

18

18. The display of claim 10 , wherein the controller is configured to determine a degree of aging for the OLEDs based at least on the temperature map and determine the control signals for the plurality of OLEDs based at least in part on the degree of aging for the OLEDs.

19

19. The display of claim 15 , wherein adjustments to the data processing circuitry comprise changing an operating speed of the central processing unit, changing an operating speed of the graphical processing unit, or changing a signal power of the radio frequency transmitter, or any combination thereof.

20

20. The display of claim 10 , wherein the controller is configured to adjust the control signals for the plurality of OLEDs to adjust a brightness or a color of the plurality of OLEDs in a portion of the display based at least in part on a difference between the measured temperature of the portion of the display and the measured temperature of a remainder of the display.

21

21. A method of operating an electronic device, comprising: driving a plurality of organic light emitting diodes (OLEDs) disposed across a display to emit light with control signals; measuring temperature across the display by a plurality of thermal sensors disposed across the display; determining effects of the measured temperature across the display on the light emitted by the plurality of OLEDs; identifying a duration of operation of each OLED of the plurality of OLEDs above a threshold temperature; moving a location of an image on the display from a first location to a second location based at least in part on the measured temperature across the display, wherein a first average temperature of the first location is greater than a second average temperature of the second location due substantially to heat from electronic components of the electronic device; and adjusting the control signals based at least in part on the determined effects of the measured temperature and the identified durations of operation of the plurality of OLEDs above the threshold temperature, wherein the control signals are adjusted to affect the light emitted by the plurality of OLEDs.

22

22. The method of claim 21 , comprising adjusting the drive signals for at least one component of a plurality of components of the electronic device beneath the display based at least in part on the measured temperature, wherein the plurality of components comprises a central processing unit, a graphical processing unit, or a radio frequency transmitter, or any combination thereof, and adjusting the drive signals for the at least one component of the plurality of components is configured to reduce heat generated by the at least one component.

23

23. The method of claim 21 , comprising adjusting the control signals to affect the light emitted by the plurality of OLEDs to produce a uniform display appearance.

24

24. The method of claim 21 , comprising adjusting the control signals to affect the light emitted by at least some OLEDs of the plurality of OLEDs in a portion of the display based at least in part on a difference between the measured temperature of the portion and the measured temperature of a remainder of the display.

25

25. The method of claim 24 , wherein adjusting the control signals of at least some OLEDs of the plurality of OLEDs compensates a color, or a brightness, or a combination thereof of the light emitted by the at least some OLEDs.

26

26. The method of claim 21 , comprising moving a location of an image on the display based at least in part on the measured temperature across the display to reduce a total of the adjustments to the control signals for the plurality of OLEDs.

Patent Metadata

Filing Date

Unknown

Publication Date

November 3, 2015

Inventors

Stephen Brian Lynch
Paul Stephen Drzaic
Benjamin Mark Rappoport
Fletcher R. Rothkopf
John Patrick Ternus
Scott Andrew Myers

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Cite as: Patentable. “DISPLAY HAVING INTEGRATED THERMAL SENSORS” (9177503). https://patentable.app/patents/9177503

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DISPLAY HAVING INTEGRATED THERMAL SENSORS — Stephen Brian Lynch | Patentable